From 8524993f7da29729eec9b018001074b32b666556 Mon Sep 17 00:00:00 2001
From: ghazi <ghazi@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 10 Aug 2000 15:21:18 +0000
Subject: 	* c-lex.c (parse_float, yylex): For -Wtraditional, issue a 
 warning about non-traditional numeric constant suffixes.

	* cppexp.c (parse_number): Likewise.

	* invoke.texi: (-Wtraditional): Document new behavior.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35607 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/cppexp.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'gcc/cppexp.c')

diff --git a/gcc/cppexp.c b/gcc/cppexp.c
index 18f494fbe02..9631526b18e 100644
--- a/gcc/cppexp.c
+++ b/gcc/cppexp.c
@@ -218,6 +218,8 @@ parse_number (pfile, tok)
 	goto invalid_suffix;
       op.unsignedp = sufftab[i].u;
 
+      if (CPP_WTRADITIONAL (pfile) && sufftab[i].u)
+	cpp_warning (pfile, "traditional C rejects the `U' suffix");
       if (CPP_OPTION (pfile, c89) && sufftab[i].l == 2)
 	SYNTAX_ERROR ("too many 'l' suffixes in integer constant");
     }
-- 
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